1--TEST--
2Bug #81142 (memory leak when unserialize()ing associative array)
3--FILE--
4<?php
5$mem0 = memory_get_usage();
6$ctr = 0;
7unserialize(serialize(["foo_$ctr" => 1]));
8$mem1 = memory_get_usage();
9var_dump($mem1 - $mem0);
10?>
11--EXPECT--
12int(0)
13
